ACCRUED LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ACCRUED LIABILITIES
Allowance for returns	$ 10,618	$ 10,899
Accrued compensation and other related costs	9,135	6,819
Accounts payable accrual	8,416	8,284
Accrued marketing expenses	6,172	7,632
Other accrued expenses	4,034	3,416
Accrued freight	2,761	2,392
Accrued taxes	2,349	1,540
Facility lease accruals	1,653	1,841
Accrued professional expenses	760	3,013
Inventory received but not invoiced	700	1,069
Credit card processing fee accrual	584	535
Short term portion of restructuring accrual	492	462
Total accrued liabilities	$ 47,674	$ 47,902